Theoretical study of decay processes in Li-like 1s2s2 2S1/2 inner-shell excited ions

被引:0
作者
Dong, C. Z. [1 ]
Zhang, D. H. [1 ]
机构
[1] NW Normal Univ, Coll Phys & Elect Engn, Lanzhou 730070, Peoples R China
来源
PHYSICS AT ELECTRON BEAM ION TRAPS AND ADVANCED RESEARCH LIGHT SOURCES 2005 | 2007年 / 72卷
基金
中国国家自然科学基金;
关键词
decay rate; MCDF; Breit interaction;
D O I
10.1088/1742-6596/72/l/012013
中图分类号
O59 [应用物理学];
学科分类号
摘要
Based on a Multi-configuration Dirac-Fock method, a systematic study has been carried out for the decay processes of the inner-shell excited state 1s2s(2) S-2(1/2) Of Li-like ions. It is found that only the Auger decay channel is dominant for the low Z ions, the two-electron one-photon radiative decay caused by a strong electron correlation becomes a competitive channel for the middle and high Z ions, whereas the magnetic quadruple radiative decay is also an important decay channel for the very heavy ions. At the same time, it is noticed that the Breit interaction can give a very important contribution to the Auger decay rate of the heavy ions.
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收藏
页数:7
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共 25 条
[1]   Effects of quantum interference between radiative and dielectronic recombination on photorecombination cross-section profiles for the He-like ions Ar16+ and Fe24+ -: art. no. 022704 [J].
Behar, E ;
Jacobs, VL ;
Oreg, J ;
Bar-Shalom, A ;
Haan, SL .
PHYSICAL REVIEW A, 2004, 69 (02)
[2]   MEASUREMENT OF LEVEL-SPECIFIC DIELECTRONIC-RECOMBINATION CROSS-SECTIONS OF HELIUM-LIKE FE-XXV [J].
BEIERSDORFER, P ;
PHILLIPS, TW ;
WONG, KL ;
MARRS, RE ;
VOGEL, DA .
PHYSICAL REVIEW A, 1992, 46 (07) :3812-3820
[3]  
CHEN MH, 1986, ATOM DATA NUCL DATA, V34, P301, DOI 10.1016/0092-640X(86)90006-9
[4]   RELATIVISTIC AUGER AND X-RAY-EMISSION RATES OF THE 1S2S2P CONFIGURATION OF LI-LIKE IONS [J].
CHEN, MH ;
CRASEMANN, B ;
MARK, H .
PHYSICAL REVIEW A, 1981, 24 (04) :1852-1861
[5]   EFFECTS OF RELATIVITY ON MULTIPLET SPLITTING AND DECAY-RATES OF THE 1S2P2 CONFIGURATION OF LI-LIKE IONS [J].
CHEN, MH ;
CRASEMANN, B ;
MARK, H .
PHYSICAL REVIEW A, 1982, 26 (03) :1441-1451
[6]   FE-XXIII-FE-XIX THEORETICAL SPECTRA IN 2 CALCULATIONAL METHODS [J].
CORNILLE, M ;
DUBAU, J ;
LOULERGUE, M ;
BELYDUBAU, F ;
FAUCHER, P ;
SAFRONOVA, UI ;
SHLYAPTSEVA, AS ;
VAINSHTEIN, L .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1988, 21 (20) :3347-3356
[7]   REOS99: A revised program for transition probability calculations including relativistic, correlation, and relaxation effects [J].
Fritzsche, S ;
Fischer, CF ;
Dong, CZ .
COMPUTER PHYSICS COMMUNICATIONS, 2000, 124 (2-3) :340-352
[8]   Theoretical Auger and photoionization studies for open-shell atoms and ions [J].
Fritzsche, S ;
Aksela, H ;
Dong, CZ ;
Heinäsmäki, S ;
Sienkiewicz, JE .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2003, 205 :93-98
[9]   Channel-specific dielectronic recombination of highly charged krypton [J].
Fuchs, T ;
Biedermann, C ;
Radtke, R ;
Behar, E ;
Doron, R .
PHYSICAL REVIEW A, 1998, 58 (06) :4518-4525
[10]   Angular distribution of radiation emitted after resonant transfer and excitation [J].
Gail, M ;
Grun, N ;
Scheid, W .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1998, 31 (20) :4645-4654